E21D 5/01

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
2024/0218,741 EXCAVATION BORING AND SHORING TOOLMar 13, 24Jul 04, 24Not available
2024/0209,692 EXCAVATION AND SHORING EQUIPMENTMar 13, 24Jun 27, 24Not available
2015/0007,960 Column Buffer Thermal Energy StorageJul 02, 14Jan 08, 15Not available